package xyz.zichengdulin.mapper;

import org.apache.ibatis.annotations.*;
import xyz.zichengdulin.pojo.Dept;

import java.util.List;

@Mapper
public interface DeptMapper {

    //@Select注解会自动将 select 查询结果id,name等，封装成 List<Dept>的集合，并返回
    @Select("select id, name, create_time, update_time from dept order by update_time desc;")
    List<Dept> findAll();

    @Delete("delete from dept where id = #{id}")
    void deleteById(Integer id);

    @Insert("insert into dept(name, create_time, update_time) values(#{name}, now(), now())")
    void add(Dept dept);

    @Select("select * from dept where id = #{id}")
    Dept getById(Integer id);

    @Update("update dept set name = #{name}, update_time = #{updateTime} where id = #{id}")
    void update(Dept dept);
}
